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Computer not booting when Hard disk is connected? Answered


I bought a new system with Segate 2 TB internal hard disk about a week ago.

I have Windows 7 running on my PC. Till yesterday my system working fine.

Today when i tried to start my system, I see the Intel logo and press f2 for bios and F10 for Boot menu. It does not move from there. I am not able to access BIOS Setup.

And BIOS is accessible if I remove the hard disk. If i connect hard disk it does not move from the Intel logo.

I tried to connect my hard disk (2TB Segate) to another system, it booting and working fine.

I even tried other hard disks (500gb & 1TG Segate) in my new system it booting and working fine. But when i try with the 2TB in my new system I see the Intel logo and press f2 for bios and F10 for Boot menu. It does not move from there. I am not able to access BIOS Setup.

I did not get any error message.

I would like thank everyone for the support in advance
Intel I5 3470
Intel DH77EB
2TB Segate
16 GB (8*2) RAM
2GB Graphic Card.


Have you updated the BIOS on your computer? Some systems do not handle such large hard drives without special drivers or updated BIOS.

you are correct, thank you for your help. I am using mercury pi945gcm mother board and I tried to install Seagate 2tb hard disk. After reading your post I updated my bios from mercury website now my computer is booting

No i have not updated BIOS. It's a New system still you think i need to update BIOS?

If yes, How do i update it? When my system is not working......



1. start your pc booting from CD/DVD by win 7. Repair your computer>start up repair>finish&restart

2.go to bios setup and change sata type from AHCI to IDE

3.reinstall your win 7 and attention that format recovery drive 100 to 400 MB

all thing is ok.

it's because of crashing to Hard boot.

i solved it by my self


I would like thank everyone for the support.

My system is working now, i did some changes in BIOS, but i don't know which changes made my system work.

1. UEPI Enable to Disable
2. Mode Bi-direction to ECP
3. Chipset Sata ACHI to IDE
4. Event logging Disable to Enable
5. Primary Video Auto to Enable
6. Chasis Pause Post Log only to Disable


4 years ago

Unplug any other drive that is SATA, this includes CD drives. It could be one of those that is bad. Then plug the drives cable into a different port. Several different ones, not all the SATA ports are the same and some only support data drives and not bootable drives.
If that doesn't work unplug them all and boot with out it and go into the BIOS and see what the setting are. If the port allows for hot swapping (not all do) you can plug the drive in while in the BIOS and see what it detects. If you refresh it (go out and then back into the SATA page it should detect the drive and give you the information for it. You might have to set that drive as the boot drive.
You might also have to change the type of the drive. Intel has a different drive protocol that SSD's use so the monitoring software will work for them.
If none of this works the reset the BIOS to the factory setting and try that.

So the 2TB drive came out of another system? Is the drive empty? Have you tried it on a different SATA connector?

2tb drive is from the same system. Drive contains 1tb data.

Yes i tried with different SATA connector, nothing is helping me out.


4 years ago

It sounds to me as if your BIOS doesn't know where to boot from and is searching without results.
On most PCs, F-8 gets you into the boot menu. And am I understanding you correctly, you've been hitting the F-2 and F-10 buttons in succession? If so, why?
Try this, as soon as the splash screen opens, hit the F-8 key and wait to see if the boot menu opens, if so, then you can designate which drive to use.

I tried as per your instructions by F8, I see the Intel logo and press f2 for bios and F10 for Boot menu. It does not move from there.